Your Result:
YOUR ANSWER
- This is an equation! Solutions: d=21.
- Graphical form: Equation
was fully solved. - Text form: -3d=-63 simplifies to 0=0
- Cartoon (animation) form:
For tutors: simplify_cartoon( -3d=-63 )
- If you have a website, here's a link to this solution.
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DETAILED EXPLANATION
Look at . Moved these terms to the left  It becomes .
Look at . Solved linear equation equivalent to -3*d+63 =0 It becomes . Result: 
This is an equation! Solutions: d=21.
Universal Simplifier and Solver
Done!
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